<?xml version="1.0" encoding="utf-8"?>
<xsd:schema xmlns:wo="http://qwwebservices.usgs.gov/schemas/WQX-Outbound/2_0/" attributeFormDefault="unqualified" elementFormDefault="qualified" targetNamespace="http://qwwebservices.usgs.gov/schemas/WQX-Outbound/2_0/" version="1.0" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
  <xsd:include schemaLocation="WQX_SimpleContent_v2.0.xsd" />
  <xsd:include schemaLocation="WQX_MeasureCompact_v2.0.xsd" />
  <xsd:include schemaLocation="WQX_WQXTime_v2.0.xsd" />
  <xsd:annotation>
    <xsd:documentation>
        Schema Name  : WQX_ActivityDescription_v2.0.xsd
        Current Version Available At :  
        Description   : Basic identification information for the location/site that is monitored or used for sampling.	
        Developed by  : EPA Office of Water	 
        Point of Contact :   Dwane Young (EPA) or GS-W-QWWebServicesHelp@usgs.gov
</xsd:documentation>
  </xsd:annotation>
  <xsd:complexType name="ActivityDescriptionDataType">
    <xsd:sequence>
      <xsd:element ref="wo:ActivityIdentifier" />
      <xsd:element ref="wo:ActivityTypeCode" />
      <xsd:element ref="wo:ActivityMediaName" />
      <xsd:element minOccurs="0" ref="wo:ActivityMediaSubdivisionName" />
      <xsd:element ref="wo:ActivityStartDate" />
      <xsd:element minOccurs="0" ref="wo:ActivityStartTime" />
      <xsd:element minOccurs="0" ref="wo:ActivityEndDate" />
      <xsd:element minOccurs="0" ref="wo:ActivityEndTime" />
      <xsd:element minOccurs="0" ref="wo:ActivityRelativeDepthName" />
      <xsd:element minOccurs="0" ref="wo:ActivityDepthHeightMeasure" />
      <xsd:element minOccurs="0" ref="wo:ActivityTopDepthHeightMeasure" />
      <xsd:element minOccurs="0" ref="wo:ActivityBottomDepthHeightMeasure" />
      <xsd:element minOccurs="0" ref="wo:ActivityDepthAltitudeReferencePointText" />
      <xsd:element maxOccurs="unbounded" ref="wo:ProjectIdentifier" />
      <xsd:element minOccurs="0" maxOccurs="unbounded" ref="wo:ActivityConductingOrganizationText" />
      <xsd:element minOccurs="0" ref="wo:MonitoringLocationIdentifier" />
      <xsd:element minOccurs="0" ref="wo:ActivityCommentText" />
      <xsd:element minOccurs="0" ref="wo:SampleAquifer" />
      <xsd:element minOccurs="0" ref="wo:HydrologicCondition" />
      <xsd:element minOccurs="0" ref="wo:HydrologicEvent" />
    </xsd:sequence>
  </xsd:complexType>
  <xsd:element name="ActivityDescription" type="wo:ActivityDescriptionDataType">
    <xsd:annotation>
      <xsd:documentation>Basic identification information for an activity conducted within a project.</xsd:documentation>
    </xsd:annotation>
  </xsd:element>
  <xsd:element name="ActivityDepthAltitudeReferencePointText" type="wo:DepthAltitudeReferencePointTextDataType">
    <xsd:annotation>
      <xsd:documentation>The reference used to indicate the datum or reference used to establish the depth/altitude of an activity.</xsd:documentation>
    </xsd:annotation>
  </xsd:element>
  <xsd:element name="ActivityDepthHeightMeasure" type="wo:MeasureCompactDataType">
    <xsd:annotation>
      <xsd:documentation>A measurement of the vertical location (measured from a reference point) at which an activity occurred.</xsd:documentation>
    </xsd:annotation>
  </xsd:element>
  <xsd:element name="ActivityEndTime" type="wo:WQXTimeDataType">
    <xsd:annotation>
      <xsd:documentation>The measure of clock time when the field activity ended.</xsd:documentation>
    </xsd:annotation>
  </xsd:element>
  <xsd:element name="ActivityStartTime" type="wo:WQXTimeDataType">
    <xsd:annotation>
      <xsd:documentation>The measure of clock time when the field activity began.</xsd:documentation>
    </xsd:annotation>
  </xsd:element>
  <xsd:element name="ActivityTopDepthHeightMeasure" type="wo:MeasureCompactDataType">
    <xsd:annotation>
      <xsd:documentation>A measurement of the upper vertical location of a vertical location range (measured from a reference point) at which an activity occurred.</xsd:documentation>
    </xsd:annotation>
  </xsd:element>
  <xsd:element name="ActivityBottomDepthHeightMeasure" type="wo:MeasureCompactDataType">
    <xsd:annotation>
      <xsd:documentation>A measurement of the lower vertical location of a vertical location range (measured from a reference point) at which an activity occurred.</xsd:documentation>
    </xsd:annotation>
  </xsd:element>
  <xsd:element name="ActivityCommentText" type="wo:CommentTextDataType">
    <xsd:annotation>
      <xsd:documentation>General comments concerning the activity.</xsd:documentation>
    </xsd:annotation>
  </xsd:element>
  <xsd:element name="SampleAquifer" type="wo:SampleAquiferDataType">
    <xsd:annotation>
      <xsd:documentation>TODO documentation needed.</xsd:documentation>
    </xsd:annotation>
  </xsd:element>
  <xsd:element name="HydrologicCondition" type="wo:HydrologicConditionDataType">
    <xsd:annotation>
      <xsd:documentation>TODO documentation needed.</xsd:documentation>
    </xsd:annotation>
  </xsd:element>
  <xsd:element name="HydrologicEvent" type="wo:HydrologicEventDataType">
    <xsd:annotation>
      <xsd:documentation>TODO documentation needed.</xsd:documentation>
    </xsd:annotation>
  </xsd:element>
</xsd:schema>